#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
int main()

{
	int a = 0;
	while ((scanf("%d", &a)) != EOF)
	{
		for (int i = 0; i < a; i++)
		{
			for (int j = 0; j < a; j++)
			{
				if (i == j || i + j == a - 1)
					printf("*");
				else
					printf(" ");
			}
			printf("\n");
		}
	}

	return 0;
}
